1000133101 has 4 divisors (see below), whose sum is σ = 1091054304. Its totient is φ = 909211900.

The previous prime is 1000133093. The next prime is 1000133111. The reversal of 1000133101 is 1013310001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1000133101 - 2³ = 1000133093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000133111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45460585 + ... + 45460606.

It is an arithmetic number, because the mean of its divisors is an integer number (272763576).

Almost surely, 2^1000133101 is an apocalyptic number.

1000133101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000133101 is a deficient number, since it is larger than the sum of its proper divisors (90921203).

1000133101 is an equidigital number, since it uses as much as digits as its factorization.

1000133101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90921202.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 1000133101 is about 31624.8810432545. The cubic root of 1000133101 is about 1000.0443650317.

Adding to 1000133101 its reverse (1013310001), we get a palindrome (2013443102).

Subtracting 1000133101 from its reverse (1013310001), we obtain a square (13176900 = 3630²).

The spelling of 1000133101 in words is "one billion, one hundred thirty-three thousand, one hundred one".